///*
// * ====================================================================
// * Licensed to the Apache Software Foundation (ASF) under one
// * or more contributor license agreements.  See the NOTICE file
// * distributed with this work for additional information
// * regarding copyright ownership.  The ASF licenses this file
// * to you under the Apache License, Version 2.0 (the
// * "License"); you may not use this file except in compliance
// * with the License.  You may obtain a copy of the License at
// *
// *   http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing,
// * software distributed under the License is distributed on an
// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// * KIND, either express or implied.  See the License for the
// * specific language governing permissions and limitations
// * under the License.
// * ====================================================================
// *
// * This software consists of voluntary contributions made by many
// * individuals on behalf of the Apache Software Foundation.  For more
// * information on the Apache Software Foundation, please see
// * <http://www.apache.org/>.
// *
// */
//package win.start.core;
//
//import java.io.File;
//import java.io.IOException;
//import java.net.URL;
//import java.net.URLDecoder;
//import java.util.Locale;
//import java.util.concurrent.TimeUnit;
//
//import javax.net.ssl.SSLContext;
//
//import org.apache.http.ExceptionLogger;
//import org.apache.http.HttpConnection;
//import org.apache.http.HttpException;
//import org.apache.http.HttpRequest;
//import org.apache.http.HttpResponse;
//import org.apache.http.HttpStatus;
//import org.apache.http.MethodNotSupportedException;
//import org.apache.http.entity.ContentType;
//import org.apache.http.impl.nio.bootstrap.HttpServer;
//import org.apache.http.impl.nio.bootstrap.ServerBootstrap;
//import org.apache.http.impl.nio.reactor.IOReactorConfig;
//import org.apache.http.nio.entity.NFileEntity;
//import org.apache.http.nio.entity.NStringEntity;
//import org.apache.http.nio.protocol.BasicAsyncRequestConsumer;
//import org.apache.http.nio.protocol.BasicAsyncResponseProducer;
//import org.apache.http.nio.protocol.HttpAsyncExchange;
//import org.apache.http.nio.protocol.HttpAsyncRequestConsumer;
//import org.apache.http.nio.protocol.HttpAsyncRequestHandler;
//import org.apache.http.protocol.HttpContext;
//import org.apache.http.protocol.HttpCoreContext;
//import org.apache.http.ssl.SSLContexts;
//
///**
// * 内置的
// * Embedded HTTP/1.1 file server based on a non-blocking I/O model and capable of direct channel
// * (zero copy) data transfer.
// */
//public class NHttpFileServer {
//
//    public static void main(String[] args) throws Exception {
//        if (args.length < 1) {
//            System.err.println("Please specify document root directory");
//            System.exit(1);
//        }
//        // Document root directory
//        File docRoot = new File(args[0]);
//        int port = 8080;
//        if (args.length >= 2) {
//            port = Integer.parseInt(args[1]);
//        }
//
//        SSLContext sslcontext = null;
//        if (port == 8443) {
//            // Initialize SSL context
//            URL url = NHttpFileServer.class.getResource("/my.keystore");
//            if (url == null) {
//                System.out.println("Keystore not found");
//                System.exit(1);
//            }
//            sslcontext = SSLContexts.custom()
//                    .loadKeyMaterial(url, "secret".toCharArray(), "secret".toCharArray())
//                    .build();
//        }
//
//        IOReactorConfig config = IOReactorConfig.custom()
//                .setSoTimeout(15000)
//                .setTcpNoDelay(true)
//                .build();
//
//        final HttpServer server = ServerBootstrap.bootstrap()
//                .setListenerPort(port)
//                .setServerInfo("Test/1.1")
//                .setIOReactorConfig(config)
//                .setSslContext(sslcontext)
//                .setExceptionLogger(ExceptionLogger.STD_ERR)
//                .registerHandler("*", new HttpFileHandler(docRoot))
//                .create();
//
//        server.start();
//        server.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);
//
//        Runtime.getRuntime().addShutdownHook(new Thread() {
//            @Override
//            public void run() {
//                server.shutdown(5, TimeUnit.SECONDS);
//            }
//        });
//
//    }
//
//    static class HttpFileHandler implements HttpAsyncRequestHandler<HttpRequest> {
//
//        private final File docRoot;
//
//        public HttpFileHandler(final File docRoot) {
//            super();
//            this.docRoot = docRoot;
//        }
//
//        public HttpAsyncRequestConsumer<HttpRequest> processRequest(
//                final HttpRequest request,
//                final HttpContext context) {
//            // Buffer request content in memory for simplicity
//            return new BasicAsyncRequestConsumer();
//        }
//
//        public void handle(
//                final HttpRequest request,
//                final HttpAsyncExchange httpexchange,
//                final HttpContext context) throws HttpException, IOException {
//            HttpResponse response = httpexchange.getResponse();
//            handleInternal(request, response, context);
//            httpexchange.submitResponse(new BasicAsyncResponseProducer(response));
//        }
//
//        private void handleInternal(
//                final HttpRequest request,
//                final HttpResponse response,
//                final HttpContext context) throws HttpException, IOException {
//
//            String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
//            if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
//                throw new MethodNotSupportedException(method + " method not supported");
//            }
//
//            String target = request.getRequestLine().getUri();
//            final File file = new File(this.docRoot, URLDecoder.decode(target, "UTF-8"));
//            if (!file.exists()) {
//
//                response.setStatusCode(HttpStatus.SC_NOT_FOUND);
//                NStringEntity entity = new NStringEntity(
//                        "<html><body><h1>File" + file.getPath() +
//                        " not found</h1></body></html>",
//                        ContentType.create("text/html", "UTF-8"));
//                response.setEntity(entity);
//                System.out.println("File " + file.getPath() + " not found");
//
//            } else if (!file.canRead() || file.isDirectory()) {
//
//                response.setStatusCode(HttpStatus.SC_FORBIDDEN);
//                NStringEntity entity = new NStringEntity(
//                        "<html><body><h1>Access denied</h1></body></html>",
//                        ContentType.create("text/html", "UTF-8"));
//                response.setEntity(entity);
//                System.out.println("Cannot read file " + file.getPath());
//
//            } else {
//
//                HttpCoreContext coreContext = HttpCoreContext.adapt(context);
//                HttpConnection conn = coreContext.getConnection(HttpConnection.class);
//                response.setStatusCode(HttpStatus.SC_OK);
//                NFileEntity body = new NFileEntity(file, ContentType.create("text/html"));
//                response.setEntity(body);
//                System.out.println(conn + ": serving file " + file.getPath());
//            }
//        }
//
//    }
//
//}
